Home / 2,230.90-3,354.45-2,182.30

Finding the Fourth Proportional to 2,230.90, 3,354.45 and 2,182.30

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Solution

The fourth proportional to 2,230.90, 3,354.45 and 2,182.30 is: 3,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.90 : 3,354.45 = 2,182.30 : x
  2. Step 2: Convert to fraction form
    2,230.90/3,354.45 = 2,182.30/x
  3. Step 3: Cross multiply
    2,230.90x = 3,354.45 × 2,182.30
  4. Step 4: Simplify right side
    2,230.90x = 7,320,416.24
  5. Step 5: Solve for x
    x = 7,320,416.24/2,230.90
  6. Step 6: Final answer
    x = 3,281.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.